New species of Macropostrongyloides Yamaguti, 1961 (Nematoda: Strongylida) and the redescription of Ma. baylisi (Wood, 1930) from Australian macropodid marsupials
AuthorSukee, T; Beveridge, I; Jabbar, A
Source TitleSystematic Parasitology
Document TypeJournal Article
CitationsSukee, T., Beveridge, I. & Jabbar, A. (2020). New species of Macropostrongyloides Yamaguti, 1961 (Nematoda: Strongylida) and the redescription of Ma. baylisi (Wood, 1930) from Australian macropodid marsupials. SYSTEMATIC PARASITOLOGY, 97 (3), pp.267-284. https://doi.org/10.1007/s11230-020-09914-8.
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Specimens of four genetically distinct groups of Macropostrongyloides baylisi Wood, 1930 were analysed morphologically. Each genotype was found to represent a morphologically distinct species: Ma. baylisi from Osphranter robustus woodwardi (Thomas) and Osphranter robustus erubescens (Sclater); Ma. spearei n. sp. from Osphranter robustus robustus (Gould) and O. r. erubescens; Ma. mawsonae n. sp. from Macropus giganteus Shaw and Ma. woodi n. sp. from Osphranter rufus (Desmarest). The new species described here are differentiated primarily by several male-specific features that have been overlooked in previous taxonomic revisions. These features include striations on the terminal part of the spicule ala, the papillae surrounding the genital cone and the bursal striations. Furthermore, scanning electron photomicrographs have revealed greater details of previously undefined structures within the buccal cavity that warrant further investigations.
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